# 2012 Buick LaCrosse - Performance exhaust

**URL:** <https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553>\
**Category:** Maintenance/Repairs\
**Tags:** exhaust-system, buick\
**Created:** [February 17, 2022, 10:28pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553 "2022-02-17T22:28:34Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![Revfelton](https://avatars.discourse-cdn.com/v4/letter/r/b4bc9f/32.png) [@Revfelton](https://community.cartalk.com/u/Revfelton)\
**Post date:** [February 17, 2022, 10:28pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/1 "2022-02-17T22:28:34Z")

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Like to replace my exhaust with a performance system if it is possible.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [February 17, 2022, 11:07pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/2 "2022-02-17T23:07:37Z")

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Of course it is . All it takes is a good muffler shop and a credit card . You are welcome to waste money this way .

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**Author:** ![davepsinbox\_157004](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@davepsinbox\_157004](https://community.cartalk.com/u/davepsinbox_157004)\
**Post date:** [February 18, 2022, 12:08am UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/3 "2022-02-18T00:08:04Z")

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I’m sure it’s possible but I’m not clear on what you hope to achieve. More power due to less exhaust restriction? Higher mpg (same reason)? Just want it louder? You have a 10 year old car and there’s got to be a limit to what you should reasonably invest in it.

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**Author:** ![GorehamJ](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/gorehamj/32/24103_2.png) [@GorehamJ](https://community.cartalk.com/u/GorehamJ)\
**Post date:** [February 18, 2022, 8:14pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/4 "2022-02-18T20:14:43Z")

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I’m with Dave. I get the instinct. I’ve had it myself. However, on that particular car, a louder exhaust isn’t going to gain you anything meaningful. If this was a vintage Grand National or something I’d vote yes. Not on that one. No offense. (I’d skip the cold air intake for the same reason).

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**Author:** ![texases](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/texases/32/862_2.png) [@texases](https://community.cartalk.com/u/texases)\
**Post date:** [February 18, 2022, 8:20pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/5 "2022-02-18T20:20:18Z")

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You want loud, go to a muffler shop. You want performance, I agree with the others, not much chance of that. Jegs doesn’t list anything for the LaCrosse. They do for the Regal (one cat back system).

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**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\
**Post date:** [February 18, 2022, 10:13pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/6 "2022-02-18T22:13:25Z")

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You can enhance the sound with a new exhaust system, but you won’t increase power enough that you would notice it. Either enjoy the BuIck as is or buy a more powerful car.

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**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\
**Post date:** [February 18, 2022, 10:18pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/7 "2022-02-18T22:18:02Z")

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> **[How After-Market Exhaust Systems Can Disrupt Your Car’s Power Curve | Exhaust...](https://www.exhaustvideos.com/faq/exhaust-system-power-curve/)**
>
> When you install a tuned exhaust system, your car, truck, or SUV feels faster and more responsive. If you install a mish-mash of components, start cutting off various parts without understanding their function, etc., you may feel like you've wasted...

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**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\
**Post date:** [February 18, 2022, 11:24pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/8 "2022-02-18T23:24:10Z")

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Remove resonator. Or remove muffler/s. Performance exhaust.

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**Author:** ![ok4450](https://avatars.discourse-cdn.com/v4/letter/o/e9bcb4/32.png) [@ok4450](https://community.cartalk.com/u/ok4450)\
**Post date:** [February 19, 2022, 6:48pm UTC](https://community.cartalk.com/t/2012-buick-lacrosse-performance-exhaust/182553/9 "2022-02-19T18:48:42Z")

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Waste of money but any so-called performance type muffler, etc could be added even if not a direct fit.

The biggest restriction in the exhaust system are the catalytic converters. Gutting those would open up a whole new can of worms you would not want to deal with.
